ALAMEDA CREEK - NILES (NILC1)
Latitude: 37.59º NLongitude: 121.96º WElevation: 86 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Jan 27 2026 at 1:07 PM PSTNext Issuance: Jan 28 2026 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: 9.0 FeetModerate Flood: 10.5 FeetMajor Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Niles (NILC1)
#
# File Generation Time:  01/27/2026 at 01:09 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/22/2026 at 07:00 PM PST
# Maximum Observed Stage:                       3.12 Feet
# Maximum Observed Flow:                        48 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/28/2026 at 10:00 AM PST
# Maximum Forecast Stage:                       3.19 Feet
# Maximum Forecast Flow:                        58 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/22/2026 01 PM PST            3.11             47                        Normal
  01/22/2026 02 PM PST            3.11             47         0              Normal
  01/22/2026 03 PM PST            3.11             47         0              Normal
  01/22/2026 04 PM PST            3.10             46         -              Normal
  01/22/2026 05 PM PST            3.10             46         0              Normal
  01/22/2026 06 PM PST            3.09             44         -              Normal
  01/22/2026 07 PM PST            3.12             48         +              Normal
  01/22/2026 08 PM PST            3.11             47         -              Normal
  01/22/2026 09 PM PST            3.06             41         -              Normal
  01/22/2026 10 PM PST            3.07             42         +              Normal
  01/22/2026 11 PM PST            3.08             43         +              Normal
  01/23/2026 12 AM PST            3.06             41         -              Normal
  01/23/2026 01 AM PST            3.06             41         0              Normal
  01/23/2026 02 AM PST            3.06             41         0              Normal
  01/23/2026 03 AM PST            3.06             41         0              Normal
  01/23/2026 04 AM PST            3.05             40         -              Normal
  01/23/2026 05 AM PST            3.05             40         0              Normal
  01/23/2026 06 AM PST            3.05             40         0              Normal
  01/23/2026 07 AM PST            3.05             40         0              Normal
  01/23/2026 08 AM PST            3.05             40         0              Normal
  01/23/2026 09 AM PST            3.05             40         0              Normal
  01/23/2026 10 AM PST            3.05             40         0              Normal
  01/23/2026 11 AM PST            3.05             40         0              Normal
  01/23/2026 12 PM PST            3.07             42         +              Normal
  01/23/2026 01 PM PST            3.08             43         +              Normal
  01/23/2026 02 PM PST            3.08             43         0              Normal
  01/23/2026 03 PM PST            3.08             43         0              Normal
  01/23/2026 04 PM PST            3.08             43         0              Normal
  01/23/2026 05 PM PST            3.07             42         -              Normal
  01/23/2026 06 PM PST            3.06             41         -              Normal
  01/23/2026 07 PM PST            3.05             40         -              Normal
  01/23/2026 08 PM PST            3.05             40         0              Normal
  01/23/2026 09 PM PST            3.05             40         0              Normal
  01/23/2026 10 PM PST            3.05             40         0              Normal
  01/23/2026 11 PM PST            3.04             38         -              Normal
  01/24/2026 12 AM PST            3.05             40         +              Normal
  01/24/2026 01 AM PST            3.05             40         0              Normal
  01/24/2026 02 AM PST            3.05             40         0              Normal
  01/24/2026 03 AM PST            3.05             40         0              Normal
  01/24/2026 04 AM PST            3.05             40         0              Normal
  01/24/2026 05 AM PST            3.04             38         -              Normal
  01/24/2026 06 AM PST            3.04             38         0              Normal
  01/24/2026 07 AM PST            3.04             38         0              Normal
  01/24/2026 08 AM PST            3.04             38         0              Normal
  01/24/2026 09 AM PST            3.05             40         +              Normal
  01/24/2026 10 AM PST            3.05             40         0              Normal
  01/24/2026 11 AM PST            3.05             40         0              Normal
  01/24/2026 12 PM PST            3.05             40         0              Normal
  01/24/2026 01 PM PST            3.05             40         0              Normal
  01/24/2026 02 PM PST            3.05             40         0              Normal
  01/24/2026 03 PM PST            3.05             40         0              Normal
  01/24/2026 04 PM PST            3.05             40         0              Normal
  01/24/2026 05 PM PST            3.05             40         0              Normal
  01/24/2026 06 PM PST            3.04             38         -              Normal
  01/24/2026 07 PM PST            3.04             38         0              Normal
  01/24/2026 08 PM PST            3.04             38         0              Normal
  01/24/2026 09 PM PST            3.04             38         0              Normal
  01/24/2026 10 PM PST            3.03             37         -              Normal
  01/24/2026 11 PM PST            3.03             37         0              Normal
  01/25/2026 12 AM PST            3.03             37         0              Normal
  01/25/2026 01 AM PST            3.04             38         +              Normal
  01/25/2026 02 AM PST            3.04             38         0              Normal
  01/25/2026 03 AM PST            3.04             38         0              Normal
  01/25/2026 04 AM PST            3.04             38         0              Normal
  01/25/2026 05 AM PST            3.05             40         +              Normal
  01/25/2026 06 AM PST            3.04             38         -              Normal
  01/25/2026 07 AM PST            3.04             38         0              Normal
  01/25/2026 08 AM PST            3.04             38         0              Normal
  01/25/2026 09 AM PST            3.04             38         0              Normal
  01/25/2026 10 AM PST            3.04             38         0              Normal
  01/25/2026 11 AM PST            3.04             38         0              Normal
  01/25/2026 12 PM PST            3.04             38         0              Normal
  01/25/2026 01 PM PST            3.05             40         +              Normal
  01/25/2026 02 PM PST            3.05             40         0              Normal
  01/25/2026 03 PM PST            3.05             40         0              Normal
  01/25/2026 04 PM PST            3.04             38         -              Normal
  01/25/2026 05 PM PST            3.04             38         0              Normal
  01/25/2026 06 PM PST            3.04             38         0              Normal
  01/25/2026 07 PM PST            3.04             38         0              Normal
  01/25/2026 08 PM PST            3.04             38         0              Normal
  01/25/2026 09 PM PST            3.04             38         0              Normal
  01/25/2026 10 PM PST            3.04             38         0              Normal
  01/25/2026 11 PM PST            3.04             38         0              Normal
  01/26/2026 12 AM PST            3.04             38         0              Normal
  01/26/2026 01 AM PST            3.04             38         0              Normal
  01/26/2026 02 AM PST            3.04             38         0              Normal
  01/26/2026 03 AM PST            3.04             38         0              Normal
  01/26/2026 04 AM PST            3.04             38         0              Normal
  01/26/2026 05 AM PST            3.05             40         +              Normal
  01/26/2026 06 AM PST            3.05             40         0              Normal
  01/26/2026 07 AM PST            3.04             38         -              Normal
  01/26/2026 08 AM PST            3.04             38         0              Normal
  01/26/2026 09 AM PST            3.04             38         0              Normal
  01/26/2026 10 AM PST            3.05             40         +              Normal
  01/26/2026 11 AM PST            3.06             41         +              Normal
  01/26/2026 12 PM PST            3.06             41         0              Normal
  01/26/2026 01 PM PST            3.07             42         +              Normal
  01/26/2026 02 PM PST            3.08             43         +              Normal
  01/26/2026 03 PM PST            3.09             44         +              Normal
  01/26/2026 04 PM PST            3.09             44         0              Normal
  01/26/2026 05 PM PST            3.09             44         0              Normal
  01/26/2026 06 PM PST            3.09             44         0              Normal
  01/26/2026 07 PM PST            3.08             43         -              Normal
  01/26/2026 08 PM PST            3.08             43         0              Normal
  01/26/2026 09 PM PST            3.06             41         -              Normal
  01/26/2026 10 PM PST            3.06             41         0              Normal
  01/26/2026 11 PM PST            3.06             41         0              Normal
  01/27/2026 12 AM PST            3.06             41         0              Normal
  01/27/2026 01 AM PST            3.06             41         0              Normal
  01/27/2026 02 AM PST            3.07             42         +              Normal
  01/27/2026 03 AM PST            3.07             42         0              Normal
  01/27/2026 04 AM PST            3.06             41         -              Normal
  01/27/2026 05 AM PST            3.06             41         0              Normal
  01/27/2026 06 AM PST            3.06             41         0              Normal
  01/27/2026 07 AM PST            3.06             41         0              Normal
  01/27/2026 08 AM PST            3.06             41         0              Normal
  01/27/2026 09 AM PST            3.06             41         0              Normal
  01/27/2026 10 AM PST            3.05             40         -              Normal
  01/27/2026 11 AM PST            3.06             41         +              Normal
  01/27/2026 12 PM PST            3.06             41         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/27/2026 01 PM PST            3.06             41                        Normal
  01/27/2026 02 PM PST            3.06             41         0              Normal
  01/27/2026 03 PM PST            3.06             41         0              Normal
  01/27/2026 04 PM PST            3.06             41         0              Normal
  01/27/2026 05 PM PST            3.06             41         0              Normal
  01/27/2026 06 PM PST            3.06             41         0              Normal
  01/27/2026 07 PM PST            3.06             41         0              Normal
  01/27/2026 08 PM PST            3.06             41         0              Normal
  01/27/2026 09 PM PST            3.06             41         0              Normal
  01/27/2026 10 PM PST            3.06             41         0              Normal
  01/27/2026 11 PM PST            3.06             41         0              Normal
  01/28/2026 12 AM PST            3.06             41         0              Normal
  01/28/2026 01 AM PST            3.06             41         0              Normal
  01/28/2026 02 AM PST            3.07             42         +              Normal
  01/28/2026 03 AM PST            3.08             43         +              Normal
  01/28/2026 04 AM PST            3.09             44         +              Normal
  01/28/2026 05 AM PST            3.11             47         +              Normal
  01/28/2026 06 AM PST            3.13             50         +              Normal
  01/28/2026 07 AM PST            3.15             52         +              Normal
  01/28/2026 08 AM PST            3.17             55         +              Normal
  01/28/2026 09 AM PST            3.18             57         +              Normal
  01/28/2026 10 AM PST            3.19             58         +              Normal
  01/28/2026 11 AM PST            3.19             58         0              Normal
  01/28/2026 12 PM PST            3.19             58         0              Normal
  01/28/2026 01 PM PST            3.18             57         -              Normal
  01/28/2026 02 PM PST            3.17             55         -              Normal
  01/28/2026 03 PM PST            3.16             54         -              Normal
  01/28/2026 04 PM PST            3.15             52         -              Normal
  01/28/2026 05 PM PST            3.14             51         -              Normal
  01/28/2026 06 PM PST            3.12             48         -              Normal
  01/28/2026 07 PM PST            3.11             47         -              Normal
  01/28/2026 08 PM PST            3.10             46         -              Normal
  01/28/2026 09 PM PST            3.10             46         0              Normal
  01/28/2026 10 PM PST            3.09             44         -              Normal
  01/28/2026 11 PM PST            3.08             43         -              Normal
  01/29/2026 12 AM PST            3.08             43         0              Normal
  01/29/2026 01 AM PST            3.07             42         -              Normal
  01/29/2026 02 AM PST            3.07             42         0              Normal
  01/29/2026 03 AM PST            3.07             42         0              Normal
  01/29/2026 04 AM PST            3.06             41         -              Normal
  01/29/2026 05 AM PST            3.06             41         0              Normal
  01/29/2026 06 AM PST            3.06             41         0              Normal
  01/29/2026 07 AM PST            3.06             41         0              Normal
  01/29/2026 08 AM PST            3.06             41         0              Normal
  01/29/2026 09 AM PST            3.06             41         0              Normal
  01/29/2026 10 AM PST            3.06             41         0              Normal
  01/29/2026 11 AM PST            3.06             41         0              Normal
  01/29/2026 12 PM PST            3.06             41         0              Normal
  01/29/2026 01 PM PST            3.06             41         0              Normal
  01/29/2026 02 PM PST            3.06             41         0              Normal
  01/29/2026 03 PM PST            3.05             40         -              Normal
  01/29/2026 04 PM PST            3.05             40         0              Normal
  01/29/2026 05 PM PST            3.05             40         0              Normal
  01/29/2026 06 PM PST            3.05             40         0              Normal
  01/29/2026 07 PM PST            3.05             40         0              Normal
  01/29/2026 08 PM PST            3.05             40         0              Normal
  01/29/2026 09 PM PST            3.05             40         0              Normal
  01/29/2026 10 PM PST            3.05             40         0              Normal
  01/29/2026 11 PM PST            3.05             40         0              Normal
  01/30/2026 12 AM PST            3.05             40         0              Normal
  01/30/2026 01 AM PST            3.05             40         0              Normal
  01/30/2026 02 AM PST            3.05             40         0              Normal
  01/30/2026 03 AM PST            3.05             40         0              Normal
  01/30/2026 04 AM PST            3.05             40         0              Normal
  01/30/2026 05 AM PST            3.05             40         0              Normal
  01/30/2026 06 AM PST            3.05             40         0              Normal
  01/30/2026 07 AM PST            3.05             40         0              Normal
  01/30/2026 08 AM PST            3.05             40         0              Normal
  01/30/2026 09 AM PST            3.05             40         0              Normal
  01/30/2026 10 AM PST            3.05             40         0              Normal
  01/30/2026 11 AM PST            3.05             40         0              Normal
  01/30/2026 12 PM PST            3.05             40         0              Normal
  01/30/2026 01 PM PST            3.05             40         0              Normal
  01/30/2026 02 PM PST            3.05             40         0              Normal
  01/30/2026 03 PM PST            3.05             40         0              Normal
  01/30/2026 04 PM PST            3.05             40         0              Normal
  01/30/2026 05 PM PST            3.05             40         0              Normal
  01/30/2026 06 PM PST            3.05             40         0              Normal
  01/30/2026 07 PM PST            3.05             40         0              Normal
  01/30/2026 08 PM PST            3.05             40         0              Normal
  01/30/2026 09 PM PST            3.05             40         0              Normal
  01/30/2026 10 PM PST            3.05             40         0              Normal
  01/30/2026 11 PM PST            3.05             40         0              Normal
  01/31/2026 12 AM PST            3.05             40         0              Normal
  01/31/2026 01 AM PST            3.05             40         0              Normal
  01/31/2026 02 AM PST            3.05             40         0              Normal
  01/31/2026 03 AM PST            3.05             40         0              Normal
  01/31/2026 04 AM PST            3.05             40         0              Normal
  01/31/2026 05 AM PST            3.05             40         0              Normal
  01/31/2026 06 AM PST            3.05             40         0              Normal
  01/31/2026 07 AM PST            3.05             40         0              Normal
  01/31/2026 08 AM PST            3.05             40         0              Normal
  01/31/2026 09 AM PST            3.05             40         0              Normal
  01/31/2026 10 AM PST            3.05             40         0              Normal
  01/31/2026 11 AM PST            3.05             40         0              Normal
  01/31/2026 12 PM PST            3.05             40         0              Normal
  01/31/2026 01 PM PST            3.05             40         0              Normal
  01/31/2026 02 PM PST            3.04             38         -              Normal
  01/31/2026 03 PM PST            3.04             38         0              Normal
  01/31/2026 04 PM PST            3.04             38         0              Normal
  01/31/2026 05 PM PST            3.04             38         0              Normal
  01/31/2026 06 PM PST            3.04             38         0              Normal
  01/31/2026 07 PM PST            3.04             38         0              Normal
  01/31/2026 08 PM PST            3.04             38         0              Normal
  01/31/2026 09 PM PST            3.04             38         0              Normal
  01/31/2026 10 PM PST            3.04             38         0              Normal
  01/31/2026 11 PM PST            3.04             38         0              Normal
  02/01/2026 12 AM PST            3.04             38         0              Normal
  02/01/2026 01 AM PST            3.04             38         0              Normal
  02/01/2026 02 AM PST            3.04             38         0              Normal
  02/01/2026 03 AM PST            3.04             38         0              Normal
  02/01/2026 04 AM PST            3.04             38         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.